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More tests added.

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[SVN r16405]
This commit is contained in:
Peter Dimov
2002-11-25 13:51:56 +00:00
parent 12b1871136
commit 72bcb8ff46
1 changed files with 470 additions and 2 deletions
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472
shared_ptr_test.cpp
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@ -1109,7 +1109,7 @@ private:
long X::instances = 0;
struct Y: public A, public X
struct Y: public A, public virtual X
{
static long instances;
@ -1457,16 +1457,427 @@ void test()
namespace n_reset
{
void plain_reset()
class incomplete;
incomplete * p0 = 0;
void deleter(incomplete *)
{
}
struct X
{
static long instances;
X()
{
++instances;
}
~X()
{
--instances;
}
private:
X(X const &);
X & operator= (X const &);
};
long X::instances = 0;
void plain_reset()
{
{
boost::shared_ptr<int> pi;
pi.reset();
BOOST_TEST(pi? false: true);
BOOST_TEST(!pi);
BOOST_TEST(pi.get() == 0);
}
{
boost::shared_ptr<int> pi(static_cast<int*>(0));
pi.reset();
BOOST_TEST(pi? false: true);
BOOST_TEST(!pi);
BOOST_TEST(pi.get() == 0);
}
{
boost::shared_ptr<int> pi(new int);
pi.reset();
BOOST_TEST(pi? false: true);
BOOST_TEST(!pi);
BOOST_TEST(pi.get() == 0);
}
{
boost::shared_ptr<incomplete> px;
px.reset();
BOOST_TEST(px? false: true);
BOOST_TEST(!px);
BOOST_TEST(px.get() == 0);
}
{
boost::shared_ptr<incomplete> px(p0, deleter);
px.reset();
BOOST_TEST(px? false: true);
BOOST_TEST(!px);
BOOST_TEST(px.get() == 0);
}
{
boost::shared_ptr<X> px;
px.reset();
BOOST_TEST(px? false: true);
BOOST_TEST(!px);
BOOST_TEST(px.get() == 0);
}
{
BOOST_TEST(X::instances == 0);
boost::shared_ptr<X> px(new X);
BOOST_TEST(X::instances == 1);
px.reset();
BOOST_TEST(px? false: true);
BOOST_TEST(!px);
BOOST_TEST(px.get() == 0);
BOOST_TEST(X::instances == 0);
}
{
boost::shared_ptr<void> pv;
pv.reset();
BOOST_TEST(pv? false: true);
BOOST_TEST(!pv);
BOOST_TEST(pv.get() == 0);
}
{
BOOST_TEST(X::instances == 0);
boost::shared_ptr<void> pv(new X);
BOOST_TEST(X::instances == 1);
pv.reset();
BOOST_TEST(pv? false: true);
BOOST_TEST(!pv);
BOOST_TEST(pv.get() == 0);
BOOST_TEST(X::instances == 0);
}
}
struct A
{
int dummy;
};
struct Y: public A, public virtual X
{
static long instances;
Y()
{
++instances;
}
~Y()
{
--instances;
}
private:
Y(Y const &);
Y & operator= (Y const &);
};
long Y::instances = 0;
void pointer_reset()
{
{
boost::shared_ptr<int> pi;
pi.reset(static_cast<int*>(0));
BOOST_TEST(pi? false: true);
BOOST_TEST(!pi);
BOOST_TEST(pi.get() == 0);
BOOST_TEST(pi.use_count() == 1);
BOOST_TEST(pi.unique());
int * p = new int;
pi.reset(p);
BOOST_TEST(pi? true: false);
BOOST_TEST(!!pi);
BOOST_TEST(pi.get() == p);
BOOST_TEST(pi.use_count() == 1);
BOOST_TEST(pi.unique());
pi.reset(static_cast<int*>(0));
BOOST_TEST(pi? false: true);
BOOST_TEST(!pi);
BOOST_TEST(pi.get() == 0);
BOOST_TEST(pi.use_count() == 1);
BOOST_TEST(pi.unique());
}
{
boost::shared_ptr<X> px;
px.reset(static_cast<X*>(0));
BOOST_TEST(px? false: true);
BOOST_TEST(!px);
BOOST_TEST(px.get() == 0);
BOOST_TEST(px.use_count() == 1);
BOOST_TEST(px.unique());
BOOST_TEST(X::instances == 0);
X * p = new X;
px.reset(p);
BOOST_TEST(px? true: false);
BOOST_TEST(!!px);
BOOST_TEST(px.get() == p);
BOOST_TEST(px.use_count() == 1);
BOOST_TEST(px.unique());
BOOST_TEST(X::instances == 1);
px.reset(static_cast<X*>(0));
BOOST_TEST(px? false: true);
BOOST_TEST(!px);
BOOST_TEST(px.get() == 0);
BOOST_TEST(px.use_count() == 1);
BOOST_TEST(px.unique());
BOOST_TEST(X::instances == 0);
BOOST_TEST(Y::instances == 0);
Y * q = new Y;
px.reset(q);
BOOST_TEST(px? true: false);
BOOST_TEST(!!px);
BOOST_TEST(px.get() == q);
BOOST_TEST(px.use_count() == 1);
BOOST_TEST(px.unique());
BOOST_TEST(X::instances == 1);
BOOST_TEST(Y::instances == 1);
px.reset(static_cast<Y*>(0));
BOOST_TEST(px? false: true);
BOOST_TEST(!px);
BOOST_TEST(px.get() == 0);
BOOST_TEST(px.use_count() == 1);
BOOST_TEST(px.unique());
BOOST_TEST(X::instances == 0);
BOOST_TEST(Y::instances == 0);
}
{
boost::shared_ptr<void> pv;
pv.reset(static_cast<X*>(0));
BOOST_TEST(pv? false: true);
BOOST_TEST(!pv);
BOOST_TEST(pv.get() == 0);
BOOST_TEST(pv.use_count() == 1);
BOOST_TEST(pv.unique());
BOOST_TEST(X::instances == 0);
X * p = new X;
pv.reset(p);
BOOST_TEST(pv? true: false);
BOOST_TEST(!!pv);
BOOST_TEST(pv.get() == p);
BOOST_TEST(pv.use_count() == 1);
BOOST_TEST(pv.unique());
BOOST_TEST(X::instances == 1);
pv.reset(static_cast<X*>(0));
BOOST_TEST(pv? false: true);
BOOST_TEST(!pv);
BOOST_TEST(pv.get() == 0);
BOOST_TEST(pv.use_count() == 1);
BOOST_TEST(pv.unique());
BOOST_TEST(X::instances == 0);
BOOST_TEST(Y::instances == 0);
Y * q = new Y;
pv.reset(q);
BOOST_TEST(pv? true: false);
BOOST_TEST(!!pv);
BOOST_TEST(pv.get() == q);
BOOST_TEST(pv.use_count() == 1);
BOOST_TEST(pv.unique());
BOOST_TEST(X::instances == 1);
BOOST_TEST(Y::instances == 1);
pv.reset(static_cast<Y*>(0));
BOOST_TEST(pv? false: true);
BOOST_TEST(!pv);
BOOST_TEST(pv.get() == 0);
BOOST_TEST(pv.use_count() == 1);
BOOST_TEST(pv.unique());
BOOST_TEST(X::instances == 0);
BOOST_TEST(Y::instances == 0);
}
}
void * deleted = 0;
void deleter2(void * p)
{
deleted = p;
}
void deleter_reset()
{
{
boost::shared_ptr<int> pi;
pi.reset(static_cast<int*>(0), deleter2);
BOOST_TEST(pi? false: true);
BOOST_TEST(!pi);
BOOST_TEST(pi.get() == 0);
BOOST_TEST(pi.use_count() == 1);
BOOST_TEST(pi.unique());
deleted = &pi;
int m = 0;
pi.reset(&m, deleter2);
BOOST_TEST(deleted == 0);
BOOST_TEST(pi? true: false);
BOOST_TEST(!!pi);
BOOST_TEST(pi.get() == &m);
BOOST_TEST(pi.use_count() == 1);
BOOST_TEST(pi.unique());
pi.reset(static_cast<int*>(0), deleter2);
BOOST_TEST(deleted == &m);
BOOST_TEST(pi? false: true);
BOOST_TEST(!pi);
BOOST_TEST(pi.get() == 0);
BOOST_TEST(pi.use_count() == 1);
BOOST_TEST(pi.unique());
pi.reset();
BOOST_TEST(deleted == 0);
}
{
boost::shared_ptr<X> px;
px.reset(static_cast<X*>(0), deleter2);
BOOST_TEST(px? false: true);
BOOST_TEST(!px);
BOOST_TEST(px.get() == 0);
BOOST_TEST(px.use_count() == 1);
BOOST_TEST(px.unique());
deleted = &px;
X x;
px.reset(&x, deleter2);
BOOST_TEST(deleted == 0);
BOOST_TEST(px? true: false);
BOOST_TEST(!!px);
BOOST_TEST(px.get() == &x);
BOOST_TEST(px.use_count() == 1);
BOOST_TEST(px.unique());
px.reset(static_cast<X*>(0), deleter2);
BOOST_TEST(deleted == &x);
BOOST_TEST(px? false: true);
BOOST_TEST(!px);
BOOST_TEST(px.get() == 0);
BOOST_TEST(px.use_count() == 1);
BOOST_TEST(px.unique());
Y y;
px.reset(&y, deleter2);
BOOST_TEST(deleted == 0);
BOOST_TEST(px? true: false);
BOOST_TEST(!!px);
BOOST_TEST(px.get() == &y);
BOOST_TEST(px.use_count() == 1);
BOOST_TEST(px.unique());
px.reset(static_cast<Y*>(0), deleter2);
BOOST_TEST(deleted == &y);
BOOST_TEST(px? false: true);
BOOST_TEST(!px);
BOOST_TEST(px.get() == 0);
BOOST_TEST(px.use_count() == 1);
BOOST_TEST(px.unique());
px.reset();
BOOST_TEST(deleted == 0);
}
{
boost::shared_ptr<void> pv;
pv.reset(static_cast<X*>(0), deleter2);
BOOST_TEST(pv? false: true);
BOOST_TEST(!pv);
BOOST_TEST(pv.get() == 0);
BOOST_TEST(pv.use_count() == 1);
BOOST_TEST(pv.unique());
deleted = &pv;
X x;
pv.reset(&x, deleter2);
BOOST_TEST(deleted == 0);
BOOST_TEST(pv? true: false);
BOOST_TEST(!!pv);
BOOST_TEST(pv.get() == &x);
BOOST_TEST(pv.use_count() == 1);
BOOST_TEST(pv.unique());
pv.reset(static_cast<X*>(0), deleter2);
BOOST_TEST(deleted == &x);
BOOST_TEST(pv? false: true);
BOOST_TEST(!pv);
BOOST_TEST(pv.get() == 0);
BOOST_TEST(pv.use_count() == 1);
BOOST_TEST(pv.unique());
Y y;
pv.reset(&y, deleter2);
BOOST_TEST(deleted == 0);
BOOST_TEST(pv? true: false);
BOOST_TEST(!!pv);
BOOST_TEST(pv.get() == &y);
BOOST_TEST(pv.use_count() == 1);
BOOST_TEST(pv.unique());
pv.reset(static_cast<Y*>(0), deleter2);
BOOST_TEST(deleted == &y);
BOOST_TEST(pv? false: true);
BOOST_TEST(!pv);
BOOST_TEST(pv.get() == 0);
BOOST_TEST(pv.use_count() == 1);
BOOST_TEST(pv.unique());
pv.reset();
BOOST_TEST(deleted == 0);
}
{
boost::shared_ptr<incomplete> px;
px.reset(p0, deleter2);
BOOST_TEST(px? false: true);
BOOST_TEST(!px);
BOOST_TEST(px.get() == 0);
BOOST_TEST(px.use_count() == 1);
BOOST_TEST(px.unique());
deleted = &px;
px.reset(p0, deleter2);
BOOST_TEST(deleted == 0);
}
}
void test()
@ -2393,8 +2804,65 @@ void test()
namespace n_spt_intrusive
{
int X_instances = 0;
struct X
{
long count;
X(): count(0)
{
++X_instances;
}
~X()
{
--X_instances;
}
};
void intrusive_ptr_add_ref(X * p)
{
++p->count;
}
void intrusive_ptr_release(X * p)
{
if(--p->count == 0) delete p;
}
template<class T> struct intrusive_deleter
{
void operator()(T * p)
{
if(p != 0) intrusive_ptr_release(p);
}
};
boost::shared_ptr<X> make_shared_from_intrusive(X * p)
{
if(p != 0) intrusive_ptr_add_ref(p);
boost::shared_ptr<X> px(p, intrusive_deleter<X>());
return px;
}
void test()
{
BOOST_TEST(X_instances == 0);
{
X * p = new X;
BOOST_TEST(X_instances == 1);
BOOST_TEST(p->count == 0);
boost::shared_ptr<X> px = make_shared_from_intrusive(p);
BOOST_TEST(px.get() == p);
BOOST_TEST(p->count == 1);
boost::shared_ptr<X> px2(px);
BOOST_TEST(px2.get() == p);
BOOST_TEST(p->count == 1);
}
BOOST_TEST(X_instances == 0);
}
} // namespace n_spt_intrusive